Ossuary vessel



FIG. 1 is a perspective view of an ossuary vessel showing my new design;

FIG. 2 is a front elevational view, the right, left, and rear elevations are identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view of a second embodiment of an ossuary vessel showing my new design;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for an ossuary vessel, as shown and described. 